Inflatable knee pillow



FIG. 1 is a top, front and left side perspective view of an inflatable knee pillow showing my new design;

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a top, front and left side perspective view of an inflatable knee pillow shown in a deflated condition.

The broken lines shown in FIGS. 1, 2, 3, 4 and 8 are used to show a portion of the inflatable knee pillow that does not form part of the claimed design. 

The ornamental design for an inflatable knee pillow, substantially as shown and described. 